Service manual

9-3
3. Audio Block Diagram
LC320EM1, LC320SL1
32MF330B/F7, 32MF360B/F7, LC320SS1
IC771
(AUDIO SELECTOR)
AUDIO(L)-OUT AUDIO(R)-OUT HDMI- AUDIO(L)-IN HDMI- AUDIO(R)-IN JK721 JK722 JK871 JK872 COMPONENT- AUDIO(L)-IN COMPONENT- AUDIO(R)-IN JK741 JK742
2 4 1 5
15 11 12 14
JACK CBA
CL701A
CL701B
AUDIO(L)-IN 77 AUDIO(R)-IN
9
9
AUDIO(L) -IN AUDIO(R) -IN JK753 JK754
CN3702CN302
AUDIO(L)13 13 AUDIO(R)11 11
CN3702CN302
INPUT110 10 INPUT012 12
CN3701CN301
AUDIO(L)-OUT22
AUDIO(R)-OUT44
AMP(L)-OUT66
AMP(R)-OUT88
POWER SUPPLY CBA DIGITAL MAIN CBA UNIT
20
IC801 (AUDIO AMP)
1
44
9,10
13,14 35,36 31,32
MUTE CONTROL
CN801CL801
SP801 SPEAKER L-CH
CN802
SP(R)- 1
CL802
SP802 SPEAKER R-CH
PWM1 PWM2
DRIVE1
CN302
CN3702
AUDIO-MUTE
2020
JK841
DIGITAL AUDIO-OUT (COAXIAL)
Q841
Q771
Q772
BUFFER
Q871
Q873,Q874
MUTE
Q872
MUTE
SPDIF
22
SP(R)+ 2
SP(L)- 1
SP(L)+ 2
Q801
CONTROL LOGIC
3
109
13
IC871 (OP AMP)
1 3
7
5
DRIVE2
DRIVE
AUDIO(L)
AUDIO(R)
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
INPUT1
SPDIF
INPUT0
AUDIO-MUTE
TO SYSTEM CONTROL BLOCK DIAGRAM
AUDIO SIGNAL
WF7
AUDIO(L)-OUT
AUDIO(R)-OUT
AMP(L)-OUT
AMP(R)-OUT
IC3802 (D/A CONVERTER)
(AUDIO DSP)
D/A CONVERTER
DSP
15 14
8 7 6
33 34 37 36 35
4 3
39
40
2
5
(L-CH) (R-CH)
IC3801
IC3803
(D/A CONVERTER)
D/A CONVERTER
15 14
8 7 6 5
(L-CH) (R-CH)
LRCLK
BCLK
A DATA 1
ACLK
A DATA 0
FL10.3ABLA